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Claim This BusinessDruziako HVAC Inc. was founded in Lowell, Massachusetts in 1993, making 2025 its 32nd year of operation. The company is family owned and operated, fully licensed and insured, and holds a 4.8-star average rating from 190 customer reviews. In addition to Lowell, the company serves surrounding Middlesex County communities and the greater New England region. Customers who took time to write reviews frequently mention specific technicians by name, reflecting the kind of repeat-visit loyalty that local businesses build over decades rather than months.
What sets Druziako apart is the combination of a named oil-to-gas conversion specialty and an extended warranty program that continues coverage after manufacturer warranties expire. The company works with what it describes as top brand products, and the website explicitly commits to installing only what benefits each individual customer rather than pushing higher-margin equipment. The About section states they offer 24-hour emergency service for heating systems during New England winters, covering weekends and holidays when most contractors are unreachable. This combination of conversion expertise, post-manufacturer warranty protection, and round-the-clock winter availability gives homeowners options that standard HVAC companies typically do not advertise.
Two technician names surface repeatedly across local reviews. Ethel's review describes a team that arrives promptly during emergencies and handles routine service with equal care, a pattern she has confirmed over several years as a returning customer. Dennis's review names Jake, Tyson, and Ed specifically, crediting them with walking the household through mini split placement decisions and later returning to demonstrate the remote controls once the system was live. These scenarios illustrate what the company means by going the extra mile: clear communication before the job, thorough instruction after, and a follow-up visit when the work warrants one.
Seven of eleven named reviews mention Vic specifically, with customers describing diagnostic speed, thorough system checks, and respectful communication. Negative reviews cite pricing as the primary concern, with one reviewer noting a diagnostic fee of $195 and a parts quote that exceeded another contractor's all-in final cost by more than three times. Positive reviews consistently pair fair pricing with professionalism and technical skill.
| Sunday | Open 24 hours |
| Monday | 7:30 AM–4 PM |
| Tuesday | 7:30 AM–4 PM |
| Wednesday | 7:30 AM–4 PM |
| ThursdayToday | 7:30 AM–4 PM |
| Friday | 7:30 AM–4 PM |
| Saturday | Open 24 hours |
Full new-system installation including central air, heating systems, and heat pumps with guaranteed customer satisfaction.
Complete conversion from oil-fired equipment to gas systems, managing permits, hookups, and system upgrades.
Furnace, boiler, and heating system repair services with 24-hour emergency availability, including weekends.
Seasonal AC tune-ups, diagnostics, and repairs covering all aspects of central cooling systems.
Professional duct cleaning to remove debris and buildup from air distribution systems.